2209226 has 4 divisors (see below), whose sum is σ = 3313842. Its totient is φ = 1104612.

The previous prime is 2209217. The next prime is 2209231. The reversal of 2209226 is 6229022.

It is a happy number.

2209226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 63001 = 1465^2 + 251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552305 + ... + 552308.

2^2209226 is an apocalyptic number.

2209226 is a deficient number, since it is larger than the sum of its proper divisors (1104616).

2209226 is a wasteful number, since it uses less digits than its factorization.

2209226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104615.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2209226 is about 1486.3465275635. The cubic root of 2209226 is about 130.2406980511.

The spelling of 2209226 in words is "two million, two hundred nine thousand, two hundred twenty-six".